What size hole are you guys drilling in the endbell for oiling the bearing

I've never drilled a hole in any endbell to oil a bearing (or bushing).

The one that I have that's been drilled has what looks to be close to a 1/4" hole. I didn't drill it, I bought it that way...but I love it.

ta man, I belive he's talking about on the NOVAL Brushless motors rear bearing.

There is no access to oil it w/o drilling some type of access hole...unless you remove the rotor and oil it from the inside.

You're right swtour its for a Novak brushless motor. You can oil only one bearing but have to drill a hole on the other side to oil that bearing.

Is that BRL legal? I thought I read it was somewhere but not sure.

I just take the end off and oil it. Why drill a hole and let more dirt in?

I think BRL stipulates the hole must not be larger than 3/8", maintenance only, not for lightening of unit....

5.16 ) Approved motors may NOT have material removed from the can or end bell for the purpose of increased ventilation, or in an effort to lighten the motor. A single hole may be drilled in the back end cap for the purpose of oiling the rear bearing, the hole may be no larger then 3/8".

What Tom stated but the way Sonny typed it. lol

I think BRL stipulates the hole must not be larger than 3/8", maintenance only, not for lightening of unit....


Can someone post a picture of this please :confused:

I drilled an 1/8th inch hole. More than big enough to put a couple drops of oil in there. Less chance of BIG dirt. http://www.hobbytalk.com/bbs1/images/icons/icon10.gif

1/8 hole sounds good, big enough to oil and won't let any dirt in like Andy said. Thanks guys for your comments!

Can someone post a picture of this please :confused:

If you pull the black plastic cover off the end of the motor you will see where the bearing sits, you just drill a small hole in that portion that will allow you to get to where you need to oil the bearing, nothing fancy, just a hole. I think an 1/8" hole is fine, mine is probably 3/16" of something a little bigger but it for sure isn't 3/8"...the bearing out fall out of that thing just about....

I drilled a hole just big enough so the needle of the oil bottle fits.Oil and spin to prevent dirt from getting in cut a small piece of electrical or strapping tape and put over hole. :woohoo: